var express = require('express');
var path = require('path');
var favicon = require('static-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');

var ejs = require('ejs'),
    config = require("./config");

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
//app.set('view engine', 'ejs')
app.engine('.html', ejs.__express);
app.set('view engine', 'html');

app.use(favicon(path.join(__dirname,'/public/images/favicon-16.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded());
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
//上传文件时用的中间件
app.use(require('connect-multiparty')({
    uploadDir:"./upload_temp"
}));

var routes = require('./routes/index');
var essay = require('./routes/essay');
var tag = require('./routes/tag');
var users = require('./routes/users');
var admin = require('./routes/admin');

app.use('/', routes);
app.use('/essay', essay);
app.use('/tag', tag);
app.use('/users', users);
app.use('/admin', admin);

/// catch 404 and forward to error handler
app.use(function(req, res, next) {
    var err = new Error('Not Found');
    err.status = 404;
    next(err);
});

/// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
    app.use(function(err, req, res, next) {
        res.status(err.status || 500);
        res.render('error', {
            message: err.message,
            error: err
        });
    });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
        message: err.message,
        error: {}
    });
});

/*
app.set('port', process.env.PORT || config.site_info.port);

var server = app.listen(app.get('port'), function() {
    console.log("Express server listening on port " + app.get('port'));
});
*/

module.exports = app;
